Our size guide will help you find the perfect fit. If you have any questions, please use the chat icon below.
Our underwear and top sfits true to size and are fitted, however if you like your underwear/tops a little more relaxed, please size up.BOXER BRIEFS / BOXERS / TRUNKS / BRIEFS / JOCKS
Our underwear fits true to size and are fitted, however if you like your underwear a little more relaxed, please size up.
| WAIST SIZE | ||||||
S |
M |
L |
XL |
2XL |
3XL |
|
|
IN |
28-30 |
31-34 |
34-37 |
37-40 |
40-43 |
43-45 |
|
CM |
71-76 |
79-86 |
86-94 |
94-102 |
102-109 |
109-114 |
T-SHIRTS / TANK TOPS / VESTS
| CHEST SIZE | ||||||
S |
M |
L |
XL |
2XL |
3XL |
|
|
IN |
34-38 |
38-41 |
41-44 |
44-48 |
48-52 |
52-56 |
|
CM |
86-97 |
97-104 |
104-112 |
112-122 |
122-132 |
132-142 |
SHORTS / JOGGERS & PANTS
| WAIST SIZE | |||||
S |
M |
L |
XL |
XXL |
|
|
IN |
28-29 |
30-31 |
32-33 |
34-36 |
37-38 |
|
CM |
74-78 |
79-84 |
85-88 |
89-93 |
94-100 |
BRIEFS / SHORTS
| WAIST SIZE | |||||
S |
M |
L |
XL |
XXL |
|
|
IN |
28-29 |
30-31 |
32-33 |
34-36 |
37-38 |
|
CM |
74-78 |
79-84 |
85-88 |
89-93 |
94-100 |
Description
Description
Noticing your bum is not as plump or perky as it used to be? Then this the perfect underwear for you! Its hidden band design creates a push-up effect that lifts your cheeks like they were in your glory days.
Superior comfort and design in men's shapewear.
FEATURES
- [LIFT Tech]®
- Push-up effect
- No padding needed
- Undetectable to the eye
Fabric
Fabric
Care Instructions
Care Instructions
*Exclusive patented design: USD864,521S
- Reviews
- Questions
- feel
- anything
- results
- delivery
- lift
- butt
- look
- padding
- times
- kudos
United StatesA comfy boost
Love the classic feel and the extra boost.
Rounderbum USA
Thank you very much Nelson! Hope you enjoy your Lift trunks :D
United StatesA comfy boost
Love the classic feel and the extra boost.
Rounderbum USA
And we love to know you love it! :D
United StatesLike them
I think they're great and wear every weekend
Rounderbum USA
So happy to know you are enjoying your Lift Trunks :)
United Statesi am impressed
decided to try these out wanted a couple times since I have received my delivery and I’m impressed with the results they lift and give you a better look without padding or anything else so kudos
Rounderbum USA
We hope you enjoy your Lift Trunks :) Warm regards
United Statesi am impressed
decided to try these out wanted a couple times since I have received my delivery and I’m impressed with the results they lift and give you a better look without padding or anything else so kudos
Rounderbum USA
So glad to know you liked them! :D Thanks so much for your comments!
FAQ about shapewear
Do men use shapewear?
Do men use shapewear?
Men’s shapewear is on the rise — and for good reason.
More guys are asking, “Why should only women have these options?” From all walks of life, men are shopping shapewear to look and feel their best. Whether it’s smoothing love handles, lifting your butt with padded underwear, improving posture, or recovering post-surgery — men’s shapewear does it all. And let’s be honest — who doesn’t want a more toned, confident look?
Is it good to use shapewear?
Is it good to use shapewear?
There’s nothing wrong with wanting to feel your best — and men’s shapewear can help.
It’s great for improving posture, supporting post-surgery recovery, and boosting confidence for special events like weddings. Whether you’re looking for a more lifted look or just want extra comfort during long days, our men’s padded underwear delivers both support and style.
What does shapewear do?
What does shapewear do?
At Rounderbum, our goal is to help men everywhere feel great with shapewear.
But it does more than just boost confidence — our padded briefs add lift and volume to your butt, helping clothes fit better and adding comfort during long flights or desk time. Our compression shirts aren’t just for shaping your torso — they support better posture and are a great option for post-surgical recovery too. Shapewear isn’t just about looks — it’s about feeling good all around.